NATE Heat Pump Exam : Questions & Verified Answers | HVAC Certification Prep

1|Page




NATE Heat Pump Exam 2025- 2026
Questions and Correct Answers Rated
A+




Charging a heat pump with refrigerant is best
accomplished in the _______ mode.


A: Heating mode


B: Cooling mode


C: Defrost mode

D: Emergency heating mode - ANSWER-B:

,2|Page




Cooling mode


Heat pumps can provide both heating in the winter
and cooling in the summer. In which mode is the
heat pump more efficient?


A: Heating mode


B: Cooling mode


C: Defrost mode


D: Emergency heating mode - ANSWER-A:
Heating mode

Which of the following components is exclusive to
the heat pump?


A: Condenser

,3|Page




B: Oil separator


C: Reversing valve


D: Accumulator - ANSWER-C: Reversing valve


Which of the following airflow rates is the most
reasonable for a heat pump system operating in the
heating cycle?


A: 200 cfm per ton

B: 300 cfm per ton


C: 400 cfm per ton


D: 450 cfm per ton - ANSWER-D: 450 cfm per ton

, 4|Page




During the heat pump's cooling cycle, the outdoor
coil is utilized as a _________ while the indoor coil
is utilized as a____________.


A: Condenser, evaporator


B: Evaporator, condenser


C: Compressor, accumulator

D: Accumulator, condenser - ANSWER-A:
Condenser, evaporator


Heat is present in winter outdoor air until the outside
air ambient temperature reaches a low temperature
of:


A: 0 degrees F